What new technologies drove the Agricultural Revolution of the Middle Ages? Why did the organization of labor on manors sometimes lead to serfdom?

Which president created the cabinet? when?

When president johnson vetoed a law that would extend the freedmen’s bureau, congress reacted by supporting the veto and closing the freedmen’s bureau. writing a new law to show support for the black codes. overriding the veto and expanding the agency’s powers. drafting a law to prevent african americans from voting.

What is the term for a short statement about history that has not been yet been proved